RU2013144611A - METHOD FOR DIRECT MELTING OF RAW MATERIALS WITH HIGH SULFUR CONTENT - Google Patents
METHOD FOR DIRECT MELTING OF RAW MATERIALS WITH HIGH SULFUR CONTENT Download PDFInfo
- Publication number
- RU2013144611A RU2013144611A RU2013144611/02A RU2013144611A RU2013144611A RU 2013144611 A RU2013144611 A RU 2013144611A RU 2013144611/02 A RU2013144611/02 A RU 2013144611/02A RU 2013144611 A RU2013144611 A RU 2013144611A RU 2013144611 A RU2013144611 A RU 2013144611A
- Authority
- RU
- Russia
- Prior art keywords
- melting
- ore
- bearing
- sulfur content
- cyclone
- Prior art date
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/006—Starting from ores containing non ferrous metallic oxides
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/023—Making spongy iron or liquid steel, by direct processes in shaft furnaces wherein iron or steel is obtained in a molten state
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/08—Screw feeders; Screw dischargers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
- C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/42—Sulphur removal
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/66—Heat exchange
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C2100/00—Exhaust gas
- C21C2100/02—Treatment of the exhaust gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
1. Способ прямого плавления рудоносного переплавляемого материала, содержащего по меньшей мере 0,2 вес.% серы, и производства металла, при этом способ включает (а), по меньшей мере, частичное восстановление и частичное плавление рудоносного переплавляемого материала в плавильном циклоне и (b) полное плавление, по меньшей мере, частично восстановленного/расплавленного материала в плавильной ванне котла прямого плавления, при этом способ отличается поддержанием кислородного потенциала в плавильном циклоне на уровне, достаточном для того, чтобы отходящий газ из плавильного циклона имел степень дожигания, равную по меньшей мере 75%.2. Способ по п.1, отличающийся тем, что содержание серы в рудоносном переплавляемом материале составляет по меньшей мере 0,25 вес.%.3. Способ по п.1, отличающийся тем, что содержание серы в рудоносном переплавляемом материале составляет по меньшей мере 0,3 вес.%.4. Способ по п.1, отличающийся тем, что содержание серы в рудоносном переплавляемом материале составляет по меньшей мере 0,5 вес.%.5. Способ по любому из предыдущих пунктов, включающий поддержание высокой температуры в плавильном циклоне.6. Способ по п.5, включающий поддержание высокой температуры, равной по меньшей мере 1100°C, в плавильном циклоне, если рудоносным переплавляемым материалом является железосодержащий переплавляемый материал.7. Способ по п.1, включающий поддержание кислородного потенциала в плавильном циклоне таким, что отходящий газ из плавильного циклона имеет степень дожигания, равную по меньшей мере 80%.8. Способ по п.1, включающий выбор размера частиц рудоносного переплавляемого материала, предназначенного для подачи в плавил1. A method for direct melting of an ore-bearing remelted material containing at least 0.2 wt.% Sulfur and metal production, the method comprising (a) at least partially recovering and partially melting the ore-bearing remelted material in a melting cyclone and ( b) the complete melting of at least partially reduced / molten material in the melting bath of the direct melting boiler, the method being characterized by maintaining the oxygen potential in the melting cyclone at a level sufficient to ensure that if the exhaust gas from the melting cyclone had a degree of afterburning equal to at least 75% .2. The method according to claim 1, characterized in that the sulfur content in the ore-bearing remelted material is at least 0.25 wt.%. 3. The method according to claim 1, characterized in that the sulfur content in the ore-bearing remelted material is at least 0.3 wt.%. The method according to claim 1, characterized in that the sulfur content in the ore-bearing remelted material is at least 0.5 wt.%. A method according to any one of the preceding claims, comprising maintaining a high temperature in the melting cyclone. 6. The method according to claim 5, comprising maintaining a high temperature of at least 1100 ° C in the melting cyclone, if the ore-bearing melted material is an iron-containing melted material. The method according to claim 1, comprising maintaining the oxygen potential in the melting cyclone such that the exhaust gas from the melting cyclone has a degree of afterburning of at least 80%. The method according to claim 1, comprising selecting a particle size of the ore-bearing remelted material intended for supply to the melted
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2011901040A AU2011901040A0 (en) | 2011-03-21 | Direct Smelting Process for High Sulphur Feed | |
AU2011901040 | 2011-03-21 | ||
PCT/AU2012/000293 WO2012126055A1 (en) | 2011-03-21 | 2012-03-21 | Direct smelting process for high sulphur feed |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2013144611A true RU2013144611A (en) | 2015-04-27 |
RU2600290C2 RU2600290C2 (en) | 2016-10-20 |
Family
ID=46878538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2013144611/02A RU2600290C2 (en) | 2011-03-21 | 2012-03-21 | Direct smelting process for high sulphur feed |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2689041B1 (en) |
JP (1) | JP5946201B2 (en) |
KR (1) | KR101957536B1 (en) |
CN (1) | CN103534363B (en) |
ES (1) | ES2874814T3 (en) |
PL (1) | PL2689041T3 (en) |
RU (1) | RU2600290C2 (en) |
WO (1) | WO2012126055A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013113197A1 (en) * | 2013-11-28 | 2015-05-28 | Voestalpine Stahl Gmbh | Method for processing desulfurization slag |
EP3084013B1 (en) * | 2013-12-19 | 2020-04-15 | Tata Steel Nederland Technology B.V. | Method to operate a smelt cyclone |
JP7177435B2 (en) * | 2018-10-16 | 2022-11-24 | 国立研究開発法人日本原子力研究開発機構 | Equipment and method for treating aluminum chips |
AU2020346361A1 (en) * | 2019-09-12 | 2022-03-17 | Tata Steel Ijmuiden B.V. | Method of introducing a metalliferous feed in an ironmaking process |
WO2023244479A1 (en) | 2022-06-15 | 2023-12-21 | Nucor Corporation | A direct bath smelting process with management of peripheral cold zones at the metal-slag interface |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3607774A1 (en) * | 1986-03-08 | 1987-09-17 | Kloeckner Cra Tech | METHOD FOR TWO-STAGE MELT REDUCTION OF IRON ORE |
CN1037193C (en) * | 1994-05-23 | 1998-01-28 | 冶金工业部长沙矿冶研究院 | Method for producing direct reduced iron |
NL9401103A (en) * | 1994-07-01 | 1996-02-01 | Hoogovens Groep Bv | Method and device for the pre-reduction of iron compounds. |
NL9500264A (en) * | 1995-02-13 | 1996-09-02 | Hoogovens Staal Bv | Method for producing liquid pig iron. |
IT1291118B1 (en) * | 1997-03-25 | 1998-12-29 | Sviluppo Materiali Spa | PROCEDURE FOR THE DIRECT PRODUCTION OF CAST IRON STARTING FROM FINE IRON MINERAL AND FOSSIL COAL AND APPARATUS SUITABLE FOR |
AUPP647198A0 (en) * | 1998-10-14 | 1998-11-05 | Technological Resources Pty Limited | A process and an apparatus for producing metals and metal alloys |
JP4540172B2 (en) * | 2000-03-30 | 2010-09-08 | 株式会社神戸製鋼所 | Production of granular metallic iron |
-
2012
- 2012-03-21 KR KR1020137027534A patent/KR101957536B1/en active IP Right Grant
- 2012-03-21 PL PL12759895T patent/PL2689041T3/en unknown
- 2012-03-21 CN CN201280014787.6A patent/CN103534363B/en active Active
- 2012-03-21 JP JP2014500204A patent/JP5946201B2/en active Active
- 2012-03-21 EP EP12759895.1A patent/EP2689041B1/en active Active
- 2012-03-21 WO PCT/AU2012/000293 patent/WO2012126055A1/en unknown
- 2012-03-21 RU RU2013144611/02A patent/RU2600290C2/en active
- 2012-03-21 ES ES12759895T patent/ES2874814T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2014514441A (en) | 2014-06-19 |
PL2689041T3 (en) | 2021-10-25 |
EP2689041A4 (en) | 2014-10-08 |
ES2874814T3 (en) | 2021-11-05 |
CN103534363A (en) | 2014-01-22 |
EP2689041A1 (en) | 2014-01-29 |
WO2012126055A1 (en) | 2012-09-27 |
EP2689041B1 (en) | 2021-04-28 |
JP5946201B2 (en) | 2016-07-05 |
RU2600290C2 (en) | 2016-10-20 |
KR101957536B1 (en) | 2019-03-13 |
CN103534363B (en) | 2017-08-01 |
KR20140027163A (en) | 2014-03-06 |
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PD4A | Correction of name of patent owner | ||
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Effective date: 20181031 |